📅  最后修改于: 2022-03-11 14:49:02.981000             🧑  作者: Mango
// TODO: Add your code here
string query = "SELECT TOP 5 [BusinessEntityID],[NationalIDNumber],[OrganizationNode],[OrganizationLevel] FROM [HumanResources].[Employee]";
string connectionSql = "Server=(local);Database=AdventureWorks2016CTP3;Integrated Security=true";
StreamWriter myFile = new StreamWriter(@"c:\sql\fileCSharp.txt");
using (SqlConnection connection = new SqlConnection(connectionSql))
{
SqlCommand command = new SqlCommand(query, connection);
connection.Open();
SqlDataReader reader = command.ExecuteReader();
try
{
while (reader.Read())
{
myFile.WriteLine(String.Format("{0}, {1}, {2}, {3}",
reader["BusinessEntityID"], reader["NationalIDNumber"], reader["OrganizationNode"], reader["OrganizationLevel"]));
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
Dts.TaskResult = (int)ScriptResults.Failure;
}
finally
{
reader.Close();
myFile.Close();
}
}